This is good advice! Thankfully the expiration on mine was still good when I needed it. I try to keep mine refreshed every few years or so. It kinda feels bad

This is good advice! Thankfully the expiration on mine was still good when I needed it. I try to keep mine refreshed every few years or so. It kinda feels bad throwing a barely used one away, but I never regret that when I actually pull it out to use it